This is an early reference to the idea that Venus, the surface of which could not reasonably support human life, could be colonized with "cloud cities".

In the story, baking loaves of bread using helium to help it rise has resulted in millions of loaves taking flight.

Radio Venus reported to its winged audience that Earth's inhabitants were establishing food depots in the upper air, preparatory to taking up permanent aerial residence "such as we have always enjoyed on Venus."